Unit for extention of functions of electronic computers



FIG. 1 is a top, front and right side perspective view of a unit forextension of functions of electronic computers showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front and right side perspective view thereof with acard tray being pulled out, and,

FIG. 9 is a perspective view thereof showing the unit in the operativeposition wherein a laptop computer is shown in broken lines forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a unit for extension of functions ofelectronic computers, as shown and described.